Ideal

"Ideal" in Japanese

理想な

risō na

(being optimal)

理想的な

risōteki na

(being optimal)

イデアル

idearu

(subring closed under multiplication by containing ring)

理想

risō

(perfect standard of beauty, intellect etc.)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.